| 摘要 |
A flat board type brushless DC motor is provided to enhance the output and efficiency per unit volume by forming a thin film structure having a large diameter and a short length to shaft direction and increasing the number of motors as much as the desired number to the shaft direction. A housing(6) is coupled to one or more stator and is used for supporting a rotor(2) installed at a position corresponding to the stator. The stator is fixed to the housing(6) and includes a ring-shaped planar stator core, a plurality of thread cores, and a coil wound around the thread cores. A disk-shaped rotor frame is fixed to a rotary shaft(8) which is fixed to the housing(6) by a bearing(9). A plurality of magnets(7) is installed to one side of the rotor frame corresponding to the thread cores.
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